673299252528 has 120 divisors (see below), whose sum is σ = 2142352670832. Its totient is φ = 181055250432.

The previous prime is 673299252523. The next prime is 673299252539. The reversal of 673299252528 is 825252992376.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (673299252523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8379625 + ... + 8459592.

Almost surely, 2^673299252528 is an apocalyptic number.

673299252528 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

673299252528 is an abundant number, since it is smaller than the sum of its proper divisors (1469053418304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

673299252528 is a wasteful number, since it uses less digits than its factorization.

673299252528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16839259 (or 16839246 counting only the distinct ones).

The product of its digits is 32659200, while the sum is 60.

The spelling of 673299252528 in words is "six hundred seventy-three billion, two hundred ninety-nine million, two hundred fifty-two thousand, five hundred twenty-eight".